<?php
/**
 * Smarty Internal Plugin Resource Registered
 *
 * @package Smarty
 * @subpackage TemplateResources
 * @author Uwe Tews
 * @author Rodney Rehm
 */

/**
 * Smarty Internal Plugin Resource Registered
 *
 * Implements the registered resource for Smarty template
 *
 * @package Smarty
 * @subpackage TemplateResources
 * @deprecated
 *
 */
class Smarty_Internal_Resource_Registered extends Smarty_Resource {
	
	/**
	 * populate Source Object with meta data from Resource
	 *
	 * @param $source Smarty_Template_Source
	 *       	 source object
	 * @param $_template Smarty_Internal_Template
	 *       	 template object
	 * @return void
	 */
	public function populate(Smarty_Template_Source $source, Smarty_Internal_Template $_template = null) {
		$source->filepath = $source->type . ':' . $source->name;
		$source->uid = sha1 ( $source->filepath );
		if ($source->smarty->compile_check) {
			$source->timestamp = $this->getTemplateTimestamp ( $source );
			$source->exists = ! ! $source->timestamp;
		}
	}
	
	/**
	 * populate Source Object with timestamp and exists from Resource
	 *
	 * @param $source Smarty_Template_Source
	 *       	 source object
	 * @return void
	 */
	public function populateTimestamp(Smarty_Template_Source $source) {
		$source->timestamp = $this->getTemplateTimestamp ( $source );
		$source->exists = ! ! $source->timestamp;
	}
	
	/**
	 * Get timestamp (epoch) the template source was modified
	 *
	 * @param $source Smarty_Template_Source
	 *       	 source object
	 * @return integer boolean (epoch) the template was modified, false if
	 *         resources has no timestamp
	 */
	public function getTemplateTimestamp(Smarty_Template_Source $source) {
		// return timestamp
		$time_stamp = false;
		call_user_func_array ( $source->smarty->registered_resources [$source->type] [0] [1], array ($source->name, &$time_stamp, $source->smarty ) );
		return is_numeric ( $time_stamp ) ? ( int ) $time_stamp : $time_stamp;
	}
	
	/**
	 * Load template's source by invoking the registered callback into current
	 * template object
	 *
	 * @param $source Smarty_Template_Source
	 *       	 source object
	 * @return string template source
	 * @throws SmartyException if source cannot be loaded
	 */
	public function getContent(Smarty_Template_Source $source) {
		// return template string
		$t = call_user_func_array ( $source->smarty->registered_resources [$source->type] [0] [0], array ($source->name, &$source->content, $source->smarty ) );
		if (is_bool ( $t ) && ! $t) {
			throw new SmartyException ( "Unable to read template {$source->type} '{$source->name}'" );
		}
		return $source->content;
	}
	
	/**
	 * Determine basename for compiled filename
	 *
	 * @param $source Smarty_Template_Source
	 *       	 source object
	 * @return string resource's basename
	 */
	protected function getBasename(Smarty_Template_Source $source) {
		return basename ( $source->name );
	}

}

?>